. >>> president obama took his daughters shopping in a book store in support of small business saturday picking up some christmas gifts. now back to "lockup." >>> due to mature subject matter, viewer discretion is advised. ♪ >> last call. come on. >> at the louisville metro department of corrections jail, lunchtime means the cellophane-wrapped meals most everyone here calls szabos. >> the reason we call them szabos is because years ago our vending company was called szabo and they made the sandwiches at the time. and we no longer use them, but the name stuck with the sandwiches. >> would you eat that szabo right now? >> no, i would not. >> why? >> why? well, for one thing inmates prepare it. >> inmates like brian walden. >> what you do is you lay five rolls, four pieces of bread with two pieces of mustard, two pieces of cheese, three cookies, and then you just wrap them up. a szabo wrap. i won't touch them. i mean, i've got to touch them, but i don't like to. >> but making szabos earns walden $3 a day, and he appreciates that. >> it comes in handy because i'm indigent. i don't have pe